42cf98da2d5feadb29ecc0c7acc5301cbaf703918b0a3eb27dae9f6883b84594

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2024 23:45

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General

Target

4cc5074b3f4d75287138dd26b33d4626.pdf
Size

86KB
MD5

4cc5074b3f4d75287138dd26b33d4626
SHA1

7a49ce09eab08a9420ed873abe4f89d5644af437
SHA256

42cf98da2d5feadb29ecc0c7acc5301cbaf703918b0a3eb27dae9f6883b84594
SHA512

bc5effb8f8f755f6c5da9e07a49a20b08ea09cfddffeccc3f64b9159e07d6ea66626c8c5932c8157498c5775cb6aa202abf28a14381f2a0a922b2ffcee5bf503
SSDEEP

1536:ec4yZwI7ULw/lkO3ybrzmjsrb5Aoy5RVJCq5bWr9o26/aX7xdBGWOpOwrZGvW/yR:nZVWzm+legq5XcdB7wrZAWs

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe
816	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 2268	816	AcroRd32.exe	92
PID 816 wrote to memory of 2268	816	AcroRd32.exe	92
PID 816 wrote to memory of 2268	816	AcroRd32.exe	92
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 4904	2268	RdrCEF.exe	93
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94
PID 2268 wrote to memory of 2432	2268	RdrCEF.exe	94

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\4cc5074b3f4d75287138dd26b33d4626.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:816
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1562702384BB97F203894D1CB34ECBD8 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4904
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D88018371B9BA7B2055DD2BCD90500AC --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=D88018371B9BA7B2055DD2BCD90500AC --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2432
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=7F97B5693B5D1036155A74C1936BFD27 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4200
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D10972326D52CA8413BB1FC33AC4C99D --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=D10972326D52CA8413BB1FC33AC4C99D --renderer-client-id=5 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3504
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=64865471D081882EAC4060E74E3E2CD7 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1432
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=57921887A5BE697913D9394E16937414 --mojo-platform-channel-handle=2768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3820

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
9df337ada67635f0879e3b533306bdbb

SHA1
85c6fae46c57f6d1ba444567ca2eafc2ab8a6188

SHA256
321f65dcd81b26e6e6334491674a0fb78aa3519a220a0c6fc489d9d18b1dbd0d

SHA512
9fbf46f6fbe11b32ef34329d4d39c833d99fa78de3b85874f20f57e44e2d3d99255380ca05f578408f2a6da750ff0166b3acb2680c723668b8b93b1895ea9080

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit